2019964430

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{191}}^1\times {\mathrm{1217}}^1$

素因数の和:1505

約数の個数: 64

約数和(自身を含む): 4041031680

約数和(自身を除く): 2021067250

約数列:

[1, 2, 5, 10, 11, 22, 55, 79, 110, 158, 191, 382, 395, 790, 869, 955, 1217, 1738, 1910, 2101, 2434, 4202, 4345, 6085, 8690, 10505, 12170, 13387, 15089, 21010, 26774, 30178, 66935, 75445, 96143, 133870, 150890, 165979, 192286, 232447, 331958, 464894, 480715, 829895, 961430, 1057573, 1162235, 1659790, 2115146, 2324470, 2556917, 5113834, 5287865, 10575730, 12784585, 18363313, 25569170, 36726626, 91816565, 183633130, 201996443, 403992886, 1009982215, 2019964430]

約数ペア:

[(1, 2019964430), (2, 1009982215), (5, 403992886), (10, 201996443), (11, 183633130), (22, 91816565), (55, 36726626), (79, 25569170), (110, 18363313), (158, 12784585), (191, 10575730), (382, 5287865), (395, 5113834), (790, 2556917), (869, 2324470), (955, 2115146), (1217, 1659790), (1738, 1162235), (1910, 1057573), (2101, 961430), (2434, 829895), (4202, 480715), (4345, 464894), (6085, 331958), (8690, 232447), (10505, 192286), (12170, 165979), (13387, 150890), (15089, 133870), (21010, 96143), (26774, 75445), (30178, 66935)]